22554505204 has 96 divisors (see below), whose sum is σ = 50872614912. Its totient is φ = 8491392000.

The previous prime is 22554505189. The next prime is 22554505229. The reversal of 22554505204 is 40250545522.

It is a self number, because there is not a number n which added to its sum of digits gives 22554505204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8696932 + ... + 8699524.

It is an arithmetic number, because the mean of its divisors is an integer number (529923072).

Almost surely, 2^22554505204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22554505204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25436307456).

22554505204 is an abundant number, since it is smaller than the sum of its proper divisors (28318109708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22554505204 is a wasteful number, since it uses less digits than its factorization.

22554505204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3555 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The spelling of 22554505204 in words is "twenty-two billion, five hundred fifty-four million, five hundred five thousand, two hundred four".